Geological plan & section from the Rio Grande to the Pimas Villages : along the route explored by Lieut. John G. Parke, Corps of Top. Engrs., near the parallele of 32° north latitude.
Prepared to accompany the report of Thomas Antisell M.D., geologist of the expedition."; "U.S. Pacific rail road expl. & surveys, War Dept., no. 2."; Latitude lines are not identified on the map.; Includes a cross section of the same area.; State/territory lines not included.; 1 map : hand color 22 x 60 cm, on sheet 39 x 65 c
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